🍀PHTA Member – Industry-Trusted Performance: As a proud member of the Pool & Hot Tub Alliance, PoolPure follows industry-recognized filtration standards to deliver superior performance, longer lifespan, and consistently crystal-clear water—so you can buy with confidence. 🍀Specifications: Length: 4 5/8"; Outside Diameter: 5"; Top & Bottom Opening 2 1/8", Filtration Area: 35sq. ft; Filter Material: Trilobal Filtration Fabric. 🍀Compatible Models:PRB17.5SF-PAIR, Unicel C-4401RA, SD-00199, Canada M40352, 3005820, FL1006, 17-175-1610, 4902-107. ★NOTE: All trademark remain the property of their respective holder(s) and are used for compatibility information only. POOLPURE is an independent brand. 🍀 NSF/ANSI 50 Certified Safety: PoolPure pool and spa filters are tested and certified by IAPMO against NSF/ANSI 50 standards for material safety. All components are proven safe for long-term water exposure, ensuring no harmful substances are released. Trusted by over 5 million pool owners, PoolPure delivers cleaner, safer pool and spa water for your family. 🍀Trilobal Filtration Fabric Design: The innovative trilobal fiber structure provides three times the adsorption surface area compared to conventional filter fabrics. It captures more dirt and sediment while maintaining consistent water clarity, even under frequent use—so you can enjoy crystal-clear water all day long. 🍀Patented Dirt-Locking Technology: Our exclusive dirt-locking structure efficiently captures debris and makes cleaning effortless. During rinsing, trapped dirt is released easily and thoroughly. The filter is simple to rinse, reusable, and significantly reduces both maintenance time and costs. 🍀50-Micron Fine Filtration: Upgraded with a 50-micron high-efficiency filtration layer, it effectively removes up to 99% of fine particles such as hair, leaves, dust, and sand. It keeps pool water sparkling clear for longer, reducing the need for frequent water changes and chemical use—saving you both time and money. 🍀Durable Heavy-Duty Construction: Made with 4 oz. thickened polyester filter fabric, reinforced ABS end caps, and a strengthened integrated core, this filter lasts over 30% longer than standard cartridges. It reduces replacement frequency and long-term maintenance costs, delivering greater value over time. ⚠️ Not for Backwashing – This filter cartridge is not designed for backwashing. Backwashing may cause cracks or permanent damage. Replacement Part Numbers: PRB17.5SF/PRB17.5SF-PAIR
Darlly SC726 / 40352
Unicel C-4401
Filbur FC-2386
Waterway 817-3510
Sundance Spas 6000-134
Aladdin 11802
SD-00199
Canada M40352
R173432
R172606
17-2606
Master Deluxe M40352
3005820
17-175-1610
4902-107
Dynamic Series IV - Model DSF 35 Used in pools / spas made by: After Hours Spas
Apollo Spas
Aqua Tech Spas
Arizona Pacific
Beachcomber
Caribbean Spas
Catalina
Clearwater Spas
Diamond Back Spas
Discovery Spas
Dynasty Spas
Esther Williams
Freedom Spas
Grecian Spas
Hydro Spa
Legend Spas
Lifestyle Spas
Maax Spas (Canada)
Pdc Spas
Pentair Pool Products
Rainbow Plastics
Royal Spas
Sundance Spas
Waterway Plastics and other manufacturers